The High Speed Steel Burs, Size 2 (1.2 mm) Heart 45° is a high-precision micro-cutting tool designed for jewelers who demand accuracy, consistency, and clean finishing in fine stone setting and detailed metalwork. Crafted from premium High Speed Steel (HSS), this bur ensures exceptional hardness, excellent edge retention, and reliable performance during continuous high-speed use.
Engineered with a 45° heart-shaped cutting profile, this smaller 1.2 mm (Size 2) bur is perfect for delicate tasks such as micro-stone settings, fine undercuts, detail carving, and creating accurate seats for small gemstones. Its compact diameter allows jewelers to work in tight, intricate areas with maximum precision.
The spiral-cut flute design ensures smooth cutting performance, reduced heat buildup, and efficient chip removal—preventing clogging and maintaining consistent tool sharpness. With a standard 3/32″ (2.35 mm) shank, it integrates effortlessly with all major flex shafts, micromotors, and rotary jewelry tools.
This professional-grade heart bur is ideal for micro-setting specialists, fine jewelry designers, engravers, and bench jewelers who require ultra-precise control and refined finishing results.
Key Benefits
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High Durability: Crafted from High Speed Steel for long-lasting sharpness and superior wear resistance.
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Precision Micro-Size Profile: Size 2 (1.2 mm) ideal for fine stone seats and detailed undercutting.
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Smooth Cutting Performance: Spiral flutes ensure debris-free cutting and cooler operation.
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Accurate 45° Heart Shape: Designed for controlled shaping and precision stone-setting applications.
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Universal Shank Compatibility: Fits all 3/32" rotary systems used in professional jewelry workshops.
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Professional Results: Delivers clean contours and improved accuracy for small gemstone settings.